HP, Softwares, Solution, Tech

Windows Install \ Uninstall Error

Have you ever got this error while installing any of your application on Windows?

Another installation is already in progress. Please finish … . Also, Error 1500 …


  1. go to task Manager (Control + Alt + Delete – > Task Manager) or ( Right-Click on the Task Bar and click ‘Task Manager’).
  2. Go to the “Processes” Tab.
  3. Kill all instances of msiexec.exe (Right-click on msiexec.exe and click ‘End Process Tree’).

You are done!


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